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Author:
林鳳美
GeoGebra
New Resources
算柱 (兩位數)
畫出對稱圖形
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
第八周作业
Discover Resources
限制函數或曲線顯示的範圍
中點軌跡
複合圖形表面積(一)
題四
三角函数定积分的动态演示.许兴华数学
Discover Topics
Difference and Slope
Pythagoras or Pythagorean Theorem
Constructions
Tree Diagrams
Coordinates